[英]How to make an AppCompat Activity as a Dialog?
我需要将我的AppCompat活动用作对话框。为此,我尝试了让我的解决方案在StackOverflow中回答的问题。 但是没有任何效果,请回答我。 我正在将活动作为对话框。 但是它的高度和宽度都非常狭窄。
我使用了以下主题:
<style name="AppDialogTheme" parent="Theme.AppCompat.Light.Dialog">
<item name="android:windowFrame">@null</item>
<item name="android:windowIsFloating">true</item>
<item name="android:windowIsTranslucent">true</item>
<item name="windowNoTitle">true</item>
<item name="android:background">@android:color/transparent</item>
</style>
您可以使用DialogFragment
并相应地自定义布局。
public class CustomDialogFrag extends DialogFragment{
static FragmentManager fragmentManager;
public static CustomDialogFrag showDialog(FragmentManager fm){
CustomDialogFrag customDialogFrag=new CustomDialogFrag();
fragmentManager=fm;
return customDialogFrag;
}
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(getActivity());
View view = getActivity().getLayoutInflater().inflate(R.layout.dialogfrag_layout, null);
alertDialogBuilder.setView(view);
setupUI(view);
alertDialogBuilder.setTitle("Notification Message");
alertDialogBuilder.setIcon(R.drawable.notificationicon);
alertDialogBuilder.setPositiveButton("Close", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
return alertDialogBuilder.create();
}
void setupUI(View view){
TextView textViewOne=(TextView)view.findViewById(R.id.txtEventAlias);
TextView textViewTwo=(TextView)view.findViewById(R.id.txtTime);
TextView textViewThree=(TextView)view.findViewById(R.id.txtLogMessage);
textViewOne.setText("Text 1");
textViewTwo.setText("Text 2");
textViewThree.setText("Text 3");
}
}
并且dialogfrag_layout.xml将是
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="@dimen/margin_10"
>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/txtEventAlias"
android:text="Sample"
android:textColor="@android:color/darker_gray"
android:textSize="@dimen/textSizeMedium"
android:padding="@dimen/margin_10"
/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/txtTime"
android:text="Sample"
android:textColor="@android:color/darker_gray"
android:textSize="@dimen/textSizeMedium"
android:padding="@dimen/margin_10"
/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/txtLogMessage"
android:text="Sample"
android:textColor="@android:color/darker_gray"
android:textSize="@dimen/textSizeMedium"
android:padding="@dimen/margin_10"
/>
</LinearLayout>
要从Fragment
调用此对话框:
DialogFragment dialogFragment=CustomDialogFrag.showDialog(getFragmentManager());
dialogFragment.show(getActivity().getFragmentManager(), "tag");
在您活动的onCreate中添加以下行:
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_your);
// Make the window's width full sized
WindowManager.LayoutParams layoutParams = new WindowManager.LayoutParams();
Window window = getWindow();
layoutParams.copyFrom(window.getAttributes());
layoutParams.width = WindowManager.LayoutParams.MATCH_PARENT;
layoutParams.height = WindowManager.LayoutParams.MATCH_PARENT;
window.setAttributes(layoutParams);
}
经过测试和工作。 如果需要,可以将宽度和高度都设置为WRAP_CONTENT
。
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